Dynamic safety evaluation of environmental unsafe factor in production process, based on catastrophe theory;

Nine unsafety factors of traffic control and management were summarized based on spot investigation at intersections including traffic sign, signal installment, limited stadia, intersection traffic organization and unreasonable canalization.

The unsafe factors of urban electric power tunnel engineering and prevention

There are a number of unsafe factors in college campus The goal of constructing a harmonious campus can only be achieved through playing the central role of the Party in the construction and selecting the scientific and correct principles,ways and methods to ensure the security of campus.

The unsafe factors in the taxation computer system and the security policy;

This paper expounds the connotation and features of the security of statistical information, analyses in details on the unsafe factors for statistical information in network era, and puts forward some protection measures of guaranteeing the network security of statistical information in the light of these factors.

However,in the legal system and standards for work safety in China,there are also some different descriptions for accident causation factor,such as "dangerous factor","hazardous factor","unsafe factor" and "accident perils".

Objective: Through the implementation of general surgery to discuss insecurity in the system, timely detection of problems in nursing, to deal effectively with care and risk, reduce the risk of care, improve care and management efficiency.